12012219999937 has 2 divisors, whose sum is σ = 12012219999938. Its totient is φ = 12012219999936.

The previous prime is 12012219999931. The next prime is 12012220000057. The reversal of 12012219999937 is 73999991221021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11886938689536 + 125281310401 = 3447744^2 + 353951^2 .

It is a cyclic number.

It is not a de Polignac number, because 12012219999937 - 2⁷ = 12012219999809 is a prime.

It is not a weakly prime, because it can be changed into another prime (12012219999931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006109999968 + 6006109999969.

It is an arithmetic number, because the mean of its divisors is an integer number (6006109999969).

Almost surely, 2^{12012219999937} is an apocalyptic number.

It is an amenable number.

12012219999937 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012219999937 is an equidigital number, since it uses as much as digits as its factorization.

12012219999937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9920232, while the sum is 64.

The spelling of 12012219999937 in words is "twelve trillion, twelve billion, two hundred nineteen million, nine hundred ninety-nine thousand, nine hundred thirty-seven".